package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class LoginDemo {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(),"欢迎登录","登录");
        System.out.println(userInfo);

        try (
                Connection connection = DBUtil.getConnection();
        ){
            Statement statement = connection.createStatement();
            String sql = "SELECT id,username,password,nickname,age " +
                         "FROM userinfo " +
                         "WHERE username='"+userInfo.getUsername()+"' " +
                         "AND password='"+userInfo.getPassword()+"'";
            System.out.println(sql);
            ResultSet rs = statement.executeQuery(sql);
            if(rs.next()){
                System.out.println("登录成功");
            }else{
                System.out.println("登录失败");
            }

        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}






